| 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.josm.actions;
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| 3 |
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| 4 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 5 |
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| 6 | import java.awt.Component;
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| 7 | import java.awt.GridBagLayout;
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| 8 | import java.util.List;
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| 9 |
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| 10 | import javax.swing.DefaultComboBoxModel;
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| 11 | import javax.swing.DefaultListCellRenderer;
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| 12 | import javax.swing.Icon;
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| 13 | import javax.swing.JComboBox;
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| 14 | import javax.swing.JLabel;
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| 15 | import javax.swing.JList;
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| 16 | import javax.swing.JOptionPane;
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| 17 | import javax.swing.JPanel;
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| 18 |
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| 19 | import org.openstreetmap.josm.Main;
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| 20 | import org.openstreetmap.josm.gui.ExtendedDialog;
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| 21 | import org.openstreetmap.josm.gui.OptionPaneUtil;
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| 22 | import org.openstreetmap.josm.gui.layer.Layer;
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| 23 | import org.openstreetmap.josm.tools.GBC;
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| 24 | import org.openstreetmap.josm.tools.Shortcut;
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| 25 |
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| 26 | public abstract class AbstractMergeAction extends JosmAction {
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| 27 |
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| 28 |
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| 29 | /**
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| 30 | * the list cell renderer used to render layer list entries
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| 31 | *
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| 32 | */
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| 33 | static public class LayerListCellRenderer extends DefaultListCellRenderer {
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| 34 |
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| 35 | protected boolean isActiveLayer(Layer layer) {
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| 36 | if (Main.map == null)
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| 37 | return false;
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| 38 | if (Main.map.mapView == null)
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| 39 | return false;
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| 40 | return Main.map.mapView.getActiveLayer() == layer;
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| 41 | }
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| 42 |
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| 43 | @Override
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| 44 | public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected,
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| 45 | boolean cellHasFocus) {
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| 46 | Layer layer = (Layer) value;
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| 47 | JLabel label = (JLabel) super.getListCellRendererComponent(list, layer.getName(), index, isSelected,
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| 48 | cellHasFocus);
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| 49 | Icon icon = layer.getIcon();
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| 50 | label.setIcon(icon);
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| 51 | label.setToolTipText(layer.getToolTipText());
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| 52 | return label;
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| 53 | }
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| 54 | }
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| 55 |
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| 56 | public AbstractMergeAction() {
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| 57 | super();
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| 58 | }
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| 59 |
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| 60 | public AbstractMergeAction(String name, String iconName, String tooltip, Shortcut shortcut, boolean register) {
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| 61 | super(name, iconName, tooltip, shortcut, register);
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| 62 | }
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| 63 |
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| 64 | protected Layer askTargetLayer(List<Layer> targetLayers) {
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| 65 | JComboBox layerList = new JComboBox();
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| 66 | layerList.setRenderer(new LayerListCellRenderer());
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| 67 | layerList.setModel(new DefaultComboBoxModel(targetLayers.toArray()));
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| 68 | layerList.setSelectedIndex(0);
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| 69 |
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| 70 | JPanel pnl = new JPanel();
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| 71 | pnl.setLayout(new GridBagLayout());
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| 72 | pnl.add(new JLabel(tr("Please select the target layer.")), GBC.eol());
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| 73 | pnl.add(layerList, GBC.eol());
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| 74 |
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| 75 | int decision = new ExtendedDialog(Main.parent, tr("Select target layer"), pnl, new String[] { tr("Merge"),
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| 76 | tr("Cancel") }, new String[] { "dialogs/mergedown", "cancel" }).getValue();
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| 77 | if (decision != 1)
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| 78 | return null;
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| 79 | Layer targetLayer = (Layer) layerList.getSelectedItem();
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| 80 | return targetLayer;
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| 81 | }
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| 82 |
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| 83 | protected void warnNoTargetLayersForSourceLayer(Layer sourceLayer) {
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| 84 | OptionPaneUtil.showMessageDialog(Main.parent,
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| 85 | tr("<html>There are no layers the source layer<br>''{0}''<br>could be merged to.</html>"),
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| 86 | tr("No target layers"), JOptionPane.WARNING_MESSAGE);
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| 87 | }
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| 88 | }
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